OpenRouter
qwen/qwen3.5-9b model retirement
Stopped workingSubscribe to OpenRouterShare
Calls to the model qwen/qwen3.5-9b on OpenRouter stopped working on October 21, 2026.
The error you get
What OpenRouter answers a call to qwen/qwen3.5-9b once the model is gone, as recorded from real responses:
{"error":{"message":"No endpoints found for qwen/qwen3.5-9b.","code":404}}What to use instead of qwen/qwen3.5-9b
OpenRouter stops serving it: move to another model it lists.
Facts
- API
- OpenRouter
openrouter.ai - Model
qwen/qwen3.5-9b- Released
- February 23, 2026 (models.dev)
- Kind
- Model retirement
- Takes effect
- October 21, 2026
- Calls after that day
- Fail
- Source
- Model list
- Last updated
- Verified
- , against OpenRouter's own pages
Questions
When does qwen/qwen3.5-9b shut down?
Calls to the model qwen/qwen3.5-9b on OpenRouter stopped working on October 21, 2026.
What happens to calls after October 21, 2026?
They have failed since October 21, 2026.
What error does qwen/qwen3.5-9b return once it is shut down?
OpenRouter answers HTTP 404: "No endpoints found for qwen/qwen3.5-9b.". Send another model to fix it.
When was qwen/qwen3.5-9b released?
qwen/qwen3.5-9b was released on February 23, 2026, according to models.dev.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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You fixed this one by hand.
Okapi opens the pull request with the fix before the next breaking change reaches your code.